| PTB | SGA birth | ||
---|---|---|---|---|
 | % | N* | % | N* |
Individual-level characteristics | Â | Â | Â | Â |
   Maternal birth place |  |  |  |  |
Foreign-born | 6.3 | 59 474 | 9.5 | 59 432 |
Canadian-born | 6.3 | 291 149 | 8.1 | 290 922 |
   Maternal education |  |  |  |  |
No high school diploma | 8.3 | 41 558 | 12.0 | 41 528 |
High school diploma | 7.3 | 35 473 | 10.0 | 35 450 |
Some post secondary | 6.3 | 67 391 | 8.9 | 67 343 |
Some university or more | 5.4 | 183 041 | 6.8 | 182 918 |
   Maternal age |  |  |  |  |
<20 years | 8.8 | 14 236 | 11.7 | 14 222 |
20–34 years | 6.1 | 289 745 | 8.1 | 289 529 |
35+ years | 7.0 | 49 025 | 8.6 | 48 976 |
   Civil status |  |  |  |  |
Married | 5.7 | 146 691 | 7.3 | 146 590 |
Cohabiting | 6.4 | 172 401 | 8.6 | 172 268 |
Single | 8.9 | 24 870 | 11.8 | 24 840 |
   Previous births |  |  |  |  |
None | 7.2 | 167 749 | 10.4 | 167 613 |
One or more | 5.5 | 185 257 | 6.5 | 185 114 |
   Infant sex |  |  |  |  |
Male | 6.7 | 181 422 | 8.4 | 181 279 |
Female | 5.9 | 171 584 | 8.3 | 171 448 |
Area-level characteristics | Â | Â | Â | Â |
   Income |  |  |  |  |
Poorest | 6.7 | 114 187 | 9.0 | 114 076 |
Intermediate | 6.4 | 119 311 | 8.4 | 119 223 |
Wealthiest | 5.9 | 119 508 | 7.6 | 119 428 |
   Immigrant density |  |  |  |  |
Low | 6.6 | 115 375 | 8.1 | 115 287 |
Intermediate | 6.2 | 119 046 | 8.0 | 118 956 |
High | 6.2 | 118 585 | 8.9 | 118 484 |
   Income inequality |  |  |  |  |
High | 6.1 | 117 485 | 8.1 | 117 386 |
Intermediate | 6.3 | 118 209 | 8.3 | 118 120 |
Low | 6.6 | 117 312 | 8.5 | 117 221 |
   Total | 6.3 | 353 006 | 8.3†| 352 727 |